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typeracer

Pit Stop
Racer Mahmood (mahmood1997)
Race Number 296
Date Tue, 10 Apr 2018 12:21:35
Speed 43 WPM Try to beat?
Accuracy 96.7%
Rank 5th place (out of 5)
Opponents bennetwoods (2nd place) icemann (3rd place) oversized_father (1st place)

Text typed:

If an exoplanet happens to transit its star, we can often determine both its mass and its radius, and hence estimate its density and possibly even its composition. More than 200 transiting hot Jupiters have been measured in this way. But when astronomers calculate their densities the numbers they obtain are generally much lower than predicted by theory.
— (book) by Eric Chaisson, Steve McMillan (see stats)

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